A. Powder
B. Gaseous mixture
C. Solution
D. Emulsion
Related Mcqs:
- Carbon supply in pack carburising process is in the form of ___________________?
A. Charcoal
B. Calcium carbide
C. Hydrocarbon oil
D. Graphite - Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?
A. Temperature is low
B. Atmospheric pressure is low
C. Atmospheric pressure is high
D. None of these - Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?
A. Seamless & made of steel
B. Heat treated before use
C. Made by sand casting
D. Welded steel cylinders - Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite - Lead is poured into the joints between two ___________________ pipes?
A. Cast iron
B. Steel
C. Concrete
D. Plastic - On being hit with a hammer, ___________________ will readily fracture?
A. Brass
B. Mild steel
C. Cast iron
D. Lead - Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
A. Creep
B. Fatigue
C. Endurance
D. Tensile - Rankine cycle comprises of two isothermal and two ___________________ processes?
A. Isobaric
B. Polytropic
C. Isentropic
D. None of these - Titanium is produced by ___________________ of Ti Cl4 ?
A. Electrolytic reduction
B. Calcium reduction
C. Magnesium reduction
D. Thermal dissociation - Silicon percentage in acid resistant cast iron is about ___________________?
A. 4
B. 8
C. 14
D. 20
